.searchName {
    width: 90%;
    margin: 20px auto;
}

.searchName .box {
    width: 300px;
    height: 25px;
    float: right;
    margin-top: 20px;
}

.searchName .box input {
    width: 200px;
    height: 25px;
}

.searchName .box button {
    width: 50px;
    height: 25px;
}